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ABB 268D/V Operating Instruction
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ABB 268D/V Operating Instruction

ABB 268D/V Operating Instruction

Pressure transmitters
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2600T Series Pressure Transmitters
Operating instruction
IM/268D_1
Models 268D/V/P
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Summary of Contents for ABB 268D/V

  • Page 1 2600T Series Pressure Transmitters Operating instruction IM/268D_1 Models 268D/V/P - 1 -...
  • Page 2 Cert. No. Q5907 As a part of ABB, a world leader in process automation technology, we offer customers application expertise, service and support worldwide. ISO 9001: 2000 We are committed to teamwork, high quality manufacturing, advanced technology and unrivalled service and support.

  • Page 3: Table Of Contents

    ISA S84.01 Application of Safety Instrumented Systems for the Process Industries NE43 Standardization of the signal level for the breakdown information of digital transmitters Other help ful or general information can be found in the ABB web site, at www.abb.com - 3 -...

  • Page 4: Product Identification

    TRANSPORT PRODUCT IDENTIFICATION The instrument is identified by the data plates shown in After final calibration, the instrument is packed in a carton Figure 1. (Type 2 to ANSI/ASME N45.2.2-1978), intended to provide The Nameplate (ref.A) provides information concerning the protection from physical damage.

  • Page 5: Safety Philosophy, Management Of

    MANAGEMENT OF FUNCTIONAL SAFETY PHILOSOPHY SAFETY The Safety 2600T Pressure Transmitters are field devices designed according to the requirements of the standard For each application the installer of the owner of a safety IEC61508 for the Safety Related Systems. Standard currently system must prepare a Safety Planning which must be updated used focus on individual parts of all the safe instrumentation throughout the Safety Life-cycle of the Safety Instrumented...

  • Page 6: Life-Cycle Activities

    LIFE-CYCLE ACTIVITIES Application Scope - Definition of the Process Interface requirements. - Identification of the instrumentation for every physical risk Definition of the Application Target property (input) and define their fail safe signal. The process equipment shall be described in order to define - Definition of the required amount of instruments and clearly the application target with its hazard potential.
  • Page 7 ..LIFE-CYCLE ACTIVITIES Application Software Development or final element are operating together and perform the required function are described in the "Electrical connections" and Programming Environment "Calibration" sections of the present document. The application software of the Safety 2600T has been developed in ANSI C language.

  • Page 8: Faults Outside The Functional Safety

    FAULTS OUTSIDE THE FUNCTIONAL SAFETY The redundant algorithms and the electronics are designed to detect all the internal hardware faults therefore the transmitter diagnostic is not able to detect faults related to the process and to the installation configuration. In the following table the known weaknesses resulting from the transducer FMEA (Failure Mode and Effect Analysis) are listed.

  • Page 9: Principle Of Operation

    PRINCIPLE OF OPERATION The principle of operation of the Primary Unit is as follows. The Primary Electronics process fluid ( liquid, gas or vapour ) exerts pressure on to the Printed Circuit sensor diaphragm via flexible, corrosion-resistant isolating diaphragms and capillary tubing containing the fill fluid (see Sensor Diaphragm Fig.
  • Page 10 . . . PRINCIPLE OF OPERATION 2600T Safety Transmitter takes advantage of the intrinsic A supplementary shut down circuitry provides a safe shut down redundancy of the 2600T series differential inductive sensor. when a fault occurs in the analog section of the electronics. The The two inductive signals are separately detected in the output stage is also checked by reading back the analog output primary unit by two independent ASICs and separately...
  • Page 11 . . . PRINCIPLE OF OPERATION Primary Electronics Watchdog2 Main purpose of this unit is to convert the pressure signal to an A secondary watchdog is used to monitor the correct working electronic pulse-width signal. As help for added accuracy both of the main clock.

  • Page 12: Installation

    ABB cannot Fig. 5 - Mounting on 2" horizontal pipe guarantee that a construction material is suited to a particular process fluid under all possible process conditions.

  • Page 13: Electrical Connections

    ELECTRICAL CONNECTIONS The power to the transmitter is supplied over the signal wiring WARNING - For installation in Hazardous Areas, i.e. and no additional wiring is required.The signal wiring does not areas with danger of fire and/or explosion, prior to making need to be shielded but the use of a twisted pair is highly electrical connections, ensure compliance with safety recommended.
  • Page 14 . . . ELECTRICAL CONNECTIONS NOTE: If the use of the Hand Held Communicator is WARNING : DO NOT ATTEMPT TO CONNECT foreseen, a resistance of 250 ohms minimum must be AN AMPEROMETER BETWEEN A "TEST" TERMINAL included in the current loop, between the power supply and AND A "COMM"...

  • Page 15: Electrical Requirements

    ELECTRICAL REQUIREMENTS Transmitter failure mode (compliant to NE 43 NAMUR The transmitter operates on a minimum voltage of 10.5 Vdc to regulation) a maximum of 42 Vdc and is protected against polarity The output signal can be user-selected to a value of 3.7 or 22 inversion.

  • Page 16: Commissioning And Configuration Issues

    COMMISSIONING AND CONFIGURATION ISSUES The 2600T Safety transmitters contain inside its non-volatile disabled. The Safety 2600T pressure transmitter is protected memories a number of parameters. Some of them, factory against undesirable configuration changes by a dedicated defined, are typical of the sensor and are not user-modifiable, hardware link placed on the secondary electronics board which the other are configuration parameters and can be modified by is identified as Write Protect Mode Link (see fig.

  • Page 17: Calibration

    CALIBRATION Unlike conventional electronic transmitters, the use of a microprocessor and the presence of serial communications Power Supply between the transmitter and the configuration device, allows the 10.5 to 42 V. d.c. use of several different approaches in calibration and servicing. Different methods can be used to calibrate the Safety transmitter: i) using the zero and span calibration screws in the transmitter secondary unit.
  • Page 18 ..CALIBRATION Zero elevation procedure Zero and span - true zero procedure Differential pressure and level Differential pressure,gauge and level. Two different methods (a) or (b) can be used : - Switch on the power supply. a) After completion of the zero and span procedure above - With no pressure applied to the transmitters, the value read apply to the L ( low ) connection a pressure equal to the on the digital milliammeter should be 4 mA ;...

  • Page 19: Pre-Startup Acceptance Test

    PROOF TESTS PRE-STARTUP ACCEPTANCE TEST To maintain the claimed Safety Integrity Level (SIL 2) a After the installation of the device in order to validate the proof test procedure is requested every 10 years. The required safety functionality of the system together with the proof tests consists in the following operations: target equipment according to the Safety Requirement Specification a Pre-Startup Acceptance test shall be performed...

  • Page 20: Dismantling And Reassembly

    Wait for one minute, then verify that no leakages occurred, otherwise repeat the assembly procedure and the pressure test. (*) The spare parts list is available at: www.abb.com - searching for: SL262_4D.pdf or from local ABB representatives. - 20 -...
  • Page 21 . . . DISMANTLING AND REASSEMBLY Calibration screws Terminal blocks assembly Nameplate Blind cover Tang screw Extended windowed cover Secondary electronics Analog, digital output indicator or CoMeter Blind cover Electronics screw Flange bolts Sensor assembly Transmitter Sectional View - 21 -...

  • Page 22: Simple Fault Finding

    SIMPLE FAULT FINDING (HART) This part is applicable only for a quick fault finding in the case that the Hand Held Terminal or the P.C. Configurator Package are not available. If the transmitter does not appear to be working satisfactory, carry out the following fault finding checks before contacting your nearest Service Centre.

  • Page 23: Returning Form

    - 23 -...

  • Page 24: Addendum For "Meters" Option Of The Transmitters

    ADDENDUM FOR "METERS" OPTION OF THE TRANSMITTERS GENERAL DESCRIPTION This option provides three different indications (meters) inside the transmitter housing. The "output meters" can be mounted on the terminal block (field terminals) side; one is of "analog" type, the second is of "digital" type (LCD, ProMeter) and the third is the CoMeter.

  • Page 25: Addendum For Cometer Or Indicator With Hart Programming Capability And Prometer - Programmable Indicator

    ADDENDUM FOR COMETER OR INDICATOR WITH HART PROGRAMMING CAPABILITY AND PROMETER - PROGRAMMABLE INDICATOR The name CoMeter is an acronym for COMMUNICATING the third line is used for seven alphanumeric characters to display units or messages. METER. The name ProMeter stands for PROGRAMMABLE METER.
  • Page 26 ADDENDUM FOR COMETER OR INDICATOR WITH HART PROGRAMMING CAPABILITY AND PROMETER - PROGRAMMABLE INDICATOR COMETER ONLY COMETER and PROMETER ConF METER ENTER NEXT ConF NEXT PREV ConF NEXT PREV PREV MANUAL AUTO ENTER ENTER NEXT NEXT NEXT NEXT NEXT 20000 4000 .
  • Page 27 ADDENDUM FOR COMETER OR INDICATOR WITH HART PROGRAMMING CAPABILITY AND PROMETER - PROGRAMMABLE INDICATOR Under ConF PERCENT option, the user can decide for linear Then the CONF option appears. Using PREV or NEXT key, the user can select CONF, TRIM, or SQR output.
  • Page 28 ADDENDUM FOR COMETER OR INDICATOR WITH HART PROGRAMMING CAPABILITY AND PROMETER - PROGRAMMABLE INDICATOR TRIM ENTER LOOP IN_MAN. ENTER NEXT NEXT PREV NEXT PREV PREV LOOPTST RERANG. ENTER ENTER NEXT NEXT NEXT PREV PREV 0.000 40.000 PREV OTHER SET 4 mA 20 mA SET 20 mA 4 mA...
  • Page 29 ADDENDUM FOR COMETER OR INDICATOR WITH HART PROGRAMMING CAPABILITY AND PROMETER - PROGRAMMABLE INDICATOR REVIEW ENTER NEXT NEXT PREV PREV SENS N' UP/DOWN UNITS TAG 8 XMTR N' ENTER ENTER ENTER ENTER ENTER 1234567 ABCDEFG 1234567 NEXT PREV NEXT PREV NEXT PREV (SCROLL) (SCROLL)

  • Page 30: Addendum For Pv-Scaling Operation

    ADDENDUM FOR PV-SCALING OPERATION PV-scaling operation can be used to align the "zero" of the You can apply this 50 mbar for your PV scaling operation, with process with the "zero" reading of the transmitter. A configuration similar effect as per the previous example: tool must be use to perform this operation through digital PV reading = 50 mbar communication.

  • Page 31: Addendum For "Surge Protector" Option Of The Transmitters

    ADDENDUM FOR "SURGE PROTECTION" OPTION OF THE TRANSMITTERS WARNING - Note for Hazardous Area Installation For the Pressure Transmitter with surge protector must be additional considered: 1 The transmitter has to be supplied from a voltage source which is safely separated from mains (galvanic separation). 2 The potential equalization for the entire cable link must be guaranteed since the intrinsic safety circuit of the transmitter is grounded.
  • Page 32 . . . ADDENDUM FOR "SURGE PROTECTION" OPTION OF THE TRANSMITTERS Self-tapping screw M2.9x6 mm to secure Stuck on label to disclose the the surge prot. p.c. board presence of the surge protector +/- Terminals Socket for built-in indicator Two holes for M4x18 mm fixing screws TERMINAL BLOCK...
  • Page 33 . . . ADDENDUM FOR "SURGE PROTECTION" OPTION OF THE TRANSMITTERS Fig. 2a Connection for terminal block and housing. Note: Before to fix the terminal block to the housing put the two wires in the position as shown above, in order to avoid any damages.

  • Page 34: Addendum Use Of Hardware Links On The Secondary Electronic

    ADDENDUM USE OF HARDWARE LINKS ON THE SECONDARY ELECTRONIC The secondary electronic is shown in the figure. There are 4 dip switches located on the secondary electronics as indicated below; they are used for settings when integral digital display is not available. ✶...

  • Page 35: Addendum For Differential Pressure Transmitters: Selectable Output Functions

    ADDENDUM FOR DIFFERENTIAL PRESSURE TRANSMITTERS: SELECTABLE OUTPUT FUNCTIONS GENERAL DESCRIPTION The 2600T Series Differential Pressure Transmitter provides a selection of output functions, as follows: Linear for differential pressure or level measurements Sq. Root (x) for flow measurements using restriction type primary element, like orifice plate, integral orifice, Venturi or Dall tube and similar.
  • Page 36 ADDENDUM FOR DIFFERENTIAL PRESSURE TRANSMITTERS: SELECTABLE OUTPUT FUNCTIONS LINEAR Using this function, the relationship between the input (measured value), expressed in % of the calibrated span and the output is linear, e.g. at 0% input, corresponds 0% output (4mA), at 50% input corresponds 50% output (12mA) and at 100% input corresponds 100% output (20mA).
  • Page 37 . . . ADDENDUM FOR DIFFERENTIAL PRESSURE TRANSMITTERS: SELECTABLE OUTPUT FUNCTIONS 3.0 SQUARE ROOT (X This function, as mentioned before, can be used for open channel flow measurement using ISO 1438 rectangular weirs (Hamilton Smith, Kindsvater-Carter, Rehbock formulas) or trapezoidal weirs (Cippoletti formulas) (see Fig. 3a and 3b) and ISO 1438 Venturi flumes.
  • Page 38 . . . ADDENDUM FOR DIFFERENTIAL PRESSURE TRANSMITTERS: SELECTABLE OUTPUT FUNCTIONS 5.0 POLYNOMIAL 1 (5th order) The polynomial function, applied to the transmitter input (x) expressed in % of the calibrated span, has the following form: Out = ± A ±...
  • Page 39 . . . ADDENDUM FOR DIFFERENTIAL PRESSURE TRANSMITTERS: SELECTABLE OUTPUT FUNCTIONS 5.2 SPHERICAL TANK Spherical tank (see Fig.5d). Transmitter measuring the whole vessel height. The following polynomium gives the volume of the spherical section in relation to the heigth h of the liquid in the tank. Out = 3 h - 2 h This formula is geometrical and then his conformity is perfect.
  • Page 40 . . . ADDENDUM FOR DIFFERENTIAL PRESSURE TRANSMITTERS: SELECTABLE OUTPUT FUNCTIONS 6.0 POLYNOMIAL 2 (Two polinomial functions of 2nd order) - Analog Output transfer function can also be defined as a two polinomial function. Both polinomials are of 2nd order. So two different polinomial functions are used: Out = [±...

  • Page 41: Addendum For Flange-Mounted Transmitters

    ADDENDUM FOR FLANGE-MOUNTED TRANSMITTERS Flange-mounted transmitters are suitable for open or closed tank service. The process fluid may, or may not, be corrosive, viscous, dirty and with suspended solids; each case requires a proper transmitter. 2600T Series provides a model for tank service. They includes two main application variants: one is dedicated to liquid level measurement and the other is marketed as differential pressure transmitter but it is particularly suitable for liquid level measurement.
  • Page 42 . . . ADDENDUM FOR FLANGE-MOUNTED TRANSMITTERS In open tank applications, mounting the transmitter on the tank Max. level nozzle provides the HI side process connection, with the LO side being vented to atmosphere. The hydraulic head pressure acting against the process diaphragm is a direct measurement of the liquid level.
  • Page 43 . . . ADDENDUM FOR FLANGE-MOUNTED TRANSMITTERS ° Application n 2 : Liquid Level Closed Tank Using a Flange-Mounted Transmitter (No Condensable Vapors) Max level Minimum level Minimum level must not Transmitter datum be below this datum Span = H1*G1, in inches w.g. if H1 is in inches = specific gravity of the process liquid Lower range value = [H2*G1], in inches w.g.
  • Page 44 . . . ADDENDUM FOR FLANGE-MOUNTED TRANSMITTERS Electrical connections Adjustments Identification tag 86 (3.39) 17 (0.67) 127 (5.00) 36 (1.42) 17 (0.67) Barrel type Min. clearance housing to remove the cover Certification label Electronic side Terminal side Output meter Drain/vent housing Valve Process...
  • Page 45 . . . ADDENDUM FOR FLANGE-MOUNTED TRANSMITTERS Sensor trimming If a sensor trimming operation is requested for level transmitters, follow the relevant procedure of the Hand Held Communicator and PC Software instructions. If the result is not satisfactory after having carried out either the ZERO TRIMMING or the FULL TRIMMING, the operation must be repeated with a special variation for these transmitters.
  • Page 46 . . . ADDENDUM FOR FLANGE-MOUNTED TRANSMITTERS These models of differential transmitter are suitable for liquid level measurement. The fluid, in this case, must be clean, free of solids and not viscous. This is because the process diaphragm is recessed in respect to the flange face.

  • Page 47: Addendum For "Ex Safety" Aspects And "Ip" Protection (Europe)

    ADDENDUM FOR "EX SAFETY" ASPECTS AND "IP" PROTECTION (EUROPE) According to ATEX Directive (European Directive 94/9/EC of 23 March 1994) and relative European Standards which can assure compliance with Essential Safety Requirements, i.e., EN 60079-0 (General requirements), EN 60079-1 (Flameproof enclosures “d”), EN 60079-11 (Intrinsic safety “i”), EN 60079-26 (Equipments, group II, category 1G) for GAS and EN 61241-0 (General requirements), EN 61241-1 (Flameproof enclosures “d”), EN 61241-11 (Intrinsic safety “i”) for DUST.
  • Page 48 . . . ADDENDUM FOR "EX SAFETY" ASPECTS AND "IP" PROTECTION (EUROPE) ° Certificate ATEX II 1D Ex iaD 20 T95 Application with Dust ZELM Certificate number ZELM 08 ATEX 0361 X The meaning of ATEX code is as follows: Zone "20"...
  • Page 49 . . . ADDENDUM FOR "EX SAFETY" ASPECTS AND "IP" PROTECTION (EUROPE) Certificate ATEX II 1/2G Ex d IIC T6 Application with Gas ZELM Certificate number ZELM 08 ATEX 0361 X The meaning of ATEX code is as follows: II : Group for surface areas (not mines) 1/2 : Category...
  • Page 50 . . . ADDENDUM FOR "EX SAFETY" ASPECTS AND "IP" PROTECTION (EUROPE) Certificate ATEX II 1/2 G Ex d IIC T4/T5/T6 ° ° ≤ ° II 1/2 D Ex tD A21 IP67 T85 C (-40 Ta <+85 CESI Certificate number CESI 02 ATEX 027 The meaning of ATEX code is as follows: II : Group for surface areas (not mines)
  • Page 51 ADDENDUM FOR "EX SAFETY" ASPECTS (NORTH AMERICA) According to Factory Mutual Standards which can assure compliance with Essential Safety Requirements FM 3600 : Electrical Equipment for use in Hazardous (Classified) Locations, General Requirements. FM 3610 : Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, III, Division 1, and Class I, Zone 0 & 1 Hazardous (Classified) Locations.
  • Page 52 ADDENDUM FOR "EX SAFETY" ASPECTS (NORTH AMERICA) According to CSA International Standards which can assure compliance with Essential Safety Requirements C22.2 0-M1991 : General Requirements – Canadian Electrical Code Part II. 0.4-M1982 : Bounding and Grounding of Electrical Equipment (Protective Grounding) 0.5-M1982 : Threaded Conduit Entries 25-M1966 : Enclosures for use in Class II Groups E, F and G Hazardous Locations.
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  • Page 55 – Food & Beverage – Manufacturing Italy – Metals and Minerals – Oil, Gas & Petrochemical ABB S.p.A. - ABB SACE Division – Pulp and Paper Business Unit Instrumentation Tel: +39 0344 58111 Drives and Motors Fax: +39 0344 56278 •...
  • Page 56 The Company’s policy is one of continuous product ABB has Sales & Customer Support improvement and the right is reserved to modify the expertise in over 100 countries worldwide information contained herein without notice. Printed in Italy (07.2008) www.abb.com/instrumentation © ABB 2008...

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